| 1 | #!/bin/sh
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| 2 |
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| 3 | # Copyright (c) 2005 Red Hat Incorporated.
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions are met:
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| 8 | #
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| 9 | # Redistributions of source code must retain the above copyright
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| 10 | # notice, this list of conditions and the following disclaimer.
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| 11 | #
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| 12 | # Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | #
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| 16 | # The name of Red Hat Incorporated may not be used to endorse
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| 17 | # or promote products derived from this software without specific
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| 18 | # prior written permission.
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| 19 | #
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| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 21 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 22 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 23 | # DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
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| 24 | # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| 25 | # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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| 26 | # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 27 | # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 28 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 29 | # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 30 |
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| 31 | srcdir="$1"
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| 32 | name="$2"
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| 33 | ramstart="$3"
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| 34 | ramsize="$4"
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| 35 | romstart="$5"
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| 36 | romsize="$6"
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| 37 | vecprefix="$7"
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| 38 |
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| 39 | sedcmd="s/RAMSTART/$ramstart/g; s/RAMSIZE/$ramsize/g"
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| 40 | sedcmd="$sedcmd; s/ROMSTART/$romstart/g; s/ROMSIZE/$romsize/g"
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| 41 |
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| 42 | # .rodata can be left with .text
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| 43 | rotext='/IF_ROCOPY/d'
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| 44 | # .rodata needs to be with .data
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| 45 | rodata='/IF_ROROM/d'
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| 46 |
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| 47 | # All sections are put in one region
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| 48 | simram='s/LOWROM/RAM/g; s/= .*SIZEOF.*/= 0);/; s/AT>ROM//g'
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| 49 | oneram='s/> ROM/> RAM/g;'
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| 50 | # RW data needs to be copied to RAM
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| 51 | rwonly='s/LOWROM/ROM/g; s/ SIZEOF(.rodata) + //g'
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| 52 | # all data needs to be copied to RAM
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| 53 | rocopy='s/LOWROM/RAM AT>ROM/g'
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| 54 |
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| 55 | case $name:$romstart in
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| 56 | sim*:0 )
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| 57 | # The r8c and m32c simulators have only a single memory region
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| 58 | sedcmd="$sedcmd; $simram; $oneram; $rotext"
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| 59 | ;;
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| 60 | sim*:* )
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| 61 | # This is most likely the m16c simulator
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| 62 | sedcmd="$sedcmd; $simram; $rodata"
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| 63 | ;;
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| 64 | *:0x???? )
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| 65 | # This is most likely the r8c chip
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| 66 | sedcmd="$sedcmd; $rwonly; $rotext"
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| 67 | ;;
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| 68 | m32*:* )
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| 69 | sedcmd="$sedcmd; $rwonly; $rotext"
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| 70 | ;;
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| 71 | *:* )
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| 72 | sedcmd="$sedcmd; $rocopy; $rodata"
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| 73 | ;;
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| 74 | esac
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| 75 | sedcmd="$sedcmd; /ORIGIN = 0,/d"
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| 76 |
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| 77 | sedcmd="$sedcmd; s/VECSTART/${vecprefix}dc/; s/RESETSTART/${vecprefix}fc/"
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| 78 |
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| 79 | sed "$sedcmd" < ${srcdir}/m32c.tmpl > ${name}.ld
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